def test_get_torus_distance(self):
     '''
     Tests the get_torus_distance method of Calculator class.
     FOR MAP = 20
     '''
     self.assertEqual(3.0, Calculator.get_torus_distance(2.0, 5.0, 10.0))
     self.assertEqual(4.0, Calculator.get_torus_distance(8.0, 2.0, 10.0))
     self.assertEqual(5.0, Calculator.get_torus_distance(0.0, 5.0, 10.0))
     self.assertEqual(5.0, Calculator.get_torus_distance(1.0, 6.0, 10.0))
     self.assertEqual(0.0, Calculator.get_torus_distance(10.0, 10.0, 10.0))
     self.assertEqual(0, Calculator.get_torus_distance(10.0, 0.0, 10.0))